Day 1 jagnnath temple darshn and prasad( puri jagnnath temple's prasad has it's significance so make a point to have it it is available on payment)
Evening visit Gundicha temple during Rath yatra bagwan reside in this temple for 10 days.
Day 2 drive towards konark temple have a glance of it's carving.
Day 3 wittnes one of the famous Chilka lake n enjoy dancing dolphins in the middle of the lake
Day 4 Gopal pura beach is the best to spend morning n evening hours
Have a safe journey
You could start with prayer at Sri Jagannath puriji temple. Row a boat at chilika lake
See the colorful sunset at Astaranga beach
Visit sun temple near Puri beach
Peep into the artist village Raghurajpur and town Pipli for handicrafts
Travel to amazing city of Balasore
Have a view of capital city Cuttack
Explore khandagiri caves
Spot 181 variety birds at Nalbana bird sanctuary.
Kindly check the above link for more details.
Besides, Jagannath Puri, Chilka and Konark, visit Bhubaneswar also, it has many iconic temples (Lingaraj, Raja Rani etc) and nearby Udaygiri & Khandagiri Rock Cut Caves. Don’t miss Golden Beach in Puri, it’s one of the ten Blue Flag accredited beaches of India.
I must say that if you are planning for a vacation trip, first of all you have to check the best place with affordable hotel or resort. If you want to see any beach area then I would suggest Toshali Sands Resort where you can get a better holiday facilities.